package apihomework1;

public class IntegerDemo {
    public static void main(String[] args) {
        Integer i1 = Integer.valueOf(5);
        Integer i2 = Integer.valueOf(5);
        System.out.println(i1==i2);
        System.out.println(i1.equals(i2));
        
        
        Integer i = Integer.valueOf(5);
        int j = i.intValue();
        Integer m = 5;
        int n = m;


        int max = Integer.MAX_VALUE;
        int min = Integer.MIN_VALUE;
        System.out.println(max);
        System.out.println(min);

        long max1 = Long.MAX_VALUE;
        long min1 = Long.MIN_VALUE;
        System.out.println(max1);
        System.out.println(min1);

        double max2 = Double.MAX_VALUE;
        double min2 = Double.MIN_VALUE;
        System.out.println(max2);
        System.out.println(min2);


        String s1 = "40";
        int age = Integer.parseInt(s1);
        System.out.println(age);

        String s2 = "123.456";
        double price = Double.parseDouble(s2);
        System.out.println(price);


    }
}
